 |
| |||
| Zeichenstrom m | |||
| |||
| Signalisierungsstrom in der Telefonie | |||
|
signalling current : 8 phrases in 4 subjects |
| Automated equipment | 1 |
| Communications | 5 |
| Electronics | 1 |
| Telecommunications | 1 |
|
| |||
| Zeichenstrom m | |||
| |||
| Signalisierungsstrom in der Telefonie | |||
|
signalling current : 8 phrases in 4 subjects |
| Automated equipment | 1 |
| Communications | 5 |
| Electronics | 1 |
| Telecommunications | 1 |